Answer:
8 and -12
Explanation:
xy = -96
x+y = -4
x = -y-4 which is the same as
substitution method:
y(-y-4) = -96
-y² - 4y + 96 = 0
-(y² + 4y - 96) = 0
(y + 12)(y - 8) = 0
y = -12
y = 8
-12 and 8
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